Compile 1 blueprint, and the entire system breaks. for absolutely no reason at all.

I am currently working on a school project and when trying to change the mesh of the unit I noticed the grid system literally stops working.

Like I said in the title, if I do anything in the Unit blueprint (Any other blueprint doesn’t give a ■■■■), my entire system stops working. I have shown how you can change anything in the editor and it will work, but if you do the same thing in the blueprint (It doesn’t even need to be a change, you can just compile) everything breaks. Idk what to do, Idk what causes this breakage, and it makes no ■■■■ sense to me.Has anyone encountered this issue before? or do you know how to solve it?

Thank you in advance.

(I am using UE 5.1)

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It’s something to do with your code, I’m afraid.

I can’t really say what, as I can’t see it properly. But doing this kind of thing on tick is not a good idea.

I can see delay nodes resetting a DoOnce in there. The moment the delay node is seen ( on tick ), the system drops the code until the next tick, so it doesn’t really haven’t the effect you’re looking for.

Thank you for the feedback, I will try to fix it, this is mostly a rough prototype, like it’s 1/10 done, so things being on tick is just my replacement until I implement a way to invoke those parts.

And yes I did find the issue within my code, it was not a bug, but a missing link between 2 nodes. (Still I find it weird that it worked fine before compiling that particular blueprint [For context, the missing link was in an entirely different blueprint, not even referenced in the affected blueprint])

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